Recent content by rocksolid

Is there a simple formual for figuring out a basic flat pattern for a helical screw flight segment? Example: 9" diameter screw x 4" core x 1/4" thick flight, 18" pitch, 90 degree segment. I dont mind being just close on the flat pattern. I can afford to trial a couple of pieces prior to making...

I was wondering if anybody knew of a good way to design a powered roller conveyor with rollers being quite small and close together. My roller diameter is 3/4". My center spacing is 1" roller to roller. I have to achieve a roller surface speed of approx. 215 FPM. My roller face length is 36"...

The Merge conveyor is handling raw dough. I am transfering at 30 degrees to feed equally feed a hoper across the diagonal opening. Since writing the first post I fabricated the conveyor. It worked and tracked very well until the belt began to stretch. The belt only seemed to stretch along...

I am in the process of designing a merge conveyor. It is a plyable conveyor belt. I have found some design guidelines, but not much. The conveyor has a 30 degree merge nose. It is 30 degrees from a line perpindicular to the belt flow. I am wondering if anybody has any tips or tricks in a...

Does someone know of a good online resource for OSHA design standards? Particularly for Catwalks, Stairways and Access ladders? Thanks for the help.

Could someone please tell me what the modulus of elasticity is for PVC pipe? Plus a good resource for other types of plastics as well. Thanks

DOES ANYONE KNOW OF SOMEBODY THAT COULD ROLLE SOME 1.50" SQ. TUBE INTO A SPIRAL FOR A SPIRAL CONVEYOR THAT I AM BUILDING? THANK-YOU

Hello, I am In the process of designing and builing a "belt conveyor" with a perforated belt to allow for suction thru the belt. I am trying to find some design guidelines for the design of such a conveyor as well as vendors that would sell conveyor belt made for that type of...

Does anybody know where I can find standard v-guide groove dimensions for conveyor pulleys for the following? : A-1/2" B-5/8" C-7/8" D-1.5" ??

Nothing in particualar. Just Engineeering Slide Charts. I have seen some for sizing hydraulic Cylinders. I have seem some for information on bolts. & other Misc. things of that sort.

Does anybody know where or If there is a place to buy misc. Engineering Slide charts?

DOES ANYONE KNOW OF SOFTWARE FOR DESIGNING & ENGINEERING SCREW CONVEYORS? I WOULD LIKE SOMETHING TO RECOMEND AUGER PITCH AND DIA. AS WELL AS GIVE ME HP, TORQUE AND RPM. A SPREAD SHEET WOULD BE OK AS WELL. THANKS.

Can anyone tell me or help me find the viscosity of shortening, lard, or butter that would be in state that I could pump it thru an extruder?

Does anyone know of a stainless steel "cam follower" manufacturer, (other than CARTER)?

Does anyone know what a good resource would be to help design various style of conveyors? Including equations that will tell me the horsepower req'd.